Steel Mechanical Test Plug For Sewer Cleanouts 4 Inch Heavy Duty Pipe Expansion Plug With Galvanized Screw And Wing Nut Perfect For Sinks Pools Drains And Most Pipes Providing A Reliable Water Seal And Easy To Install Cleanout Cap

4-Inch Sewer Cleanout Cap with Galvanized Screw & Wing Nut
✔️ Includes 1 assembled 4 inch plug with rubber seal and wing nut

This 4 inch sewer mechanical test plug serves as a reliable sewer cleanout cap and is designed to seal pipe openings during maintenance, testing, or storage. It’s built from premium rubber and metal for a secure expansion and leak-free performance, making it ideal for kitchen and bathroom sinks, outdoor pools, and smaller indoor pool setups.

✅ 4 inch (102 mm) size fits standard sewer cleanouts
✅ Rubber and metal construction provides strong expansion and seal
✅ Galvanized screw and stainless wing nut resist corrosion for long life
✅ Suitable for kitchen/bathroom sinks, pools, and pipe returns

💡 What is a sewer cleanout cap used for in plumbing systems? It's a handy device that seals cleanouts during maintenance and testing, preventing leaks and sewer gas exposure.
- Handy for sealing 4 inch pipe cleanouts during service to keep drains clean
- Uses rubber expansion and metal hardware for a tight seal and longevity
- Easy screw-on installation with galvanized screw and wing nut for quick use
- Works with standard 4 inch pipes in sinks, pools, and outdoor applications